Same problem as everybody else, can't get the apache2 stuff configured.

I get the dreaded:

You're almost there!
You haven't yet configured your webserver to run RT. You appear to have installed RT's web interface correctly, but haven't yet configured your web server to "run" the RT server which powers the web interface. The next step is to edit your webserver's configuration file to instruct it to use RT's mod_perl, FastCGI or SpeedyCGI handler. If you need commercial support, please contact us at sales@bestpractical.com.

I've read the threads here and over at bestpractical, still cannot figure it out.